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Matches 1 - 50 out of 4,738

Document Document Title
WO/2018/177904A1
The invention relates to a method of operating a waterborne vessel propelled by at least one mechanical transmission azimuth thruster comprising a driveline connecting a motor located inside the hull of the vessel to a propeller (1) moun...  
WO/2018/168664A1
An underwater propulsion device (1) is provided with a propeller (11), a motor (12), and a housing (5). The motor (12) is disposed forward in a propulsion direction from the propeller (11) and rotatably drives the propeller (11). The hou...  
WO/2018/161522A1
A twin-set sailcraft system for aquatic recreational activities comprises a main sailcraft (1), an auxiliary sailcraft (2), and a service station (3). The main sailcraft (1) is a boat house floating on water surface. The auxiliary sailcr...  
WO/2018/156165A1
An apparatus configured to reduce acoustic interactions between a propeller and a surface of an aircraft positioned downstream of the propeller includes a surface modification element of the surface of the aircraft. The surface modificat...  
WO/2018/151598A1
A thruster (1) for propelling a watercraft comprises at least one propeller (11, 12) on a rotatable propeller shaft (13, 14) and a motor (20) for driving the propeller shaft (13, 14) through a drive arrangement, particularly a drive arra...  
WO/2018/142800A1
The present invention is provided with: a duct 2 that has at least a cylindrical body portion and that is arranged around a stern tube 104 supporting a propeller shaft at a positon forward of a propeller provided to the stern of a vessel...  
WO/2018/140501A1
A motorized fin booster system for surfboard or paddleboard or recreational small craft, consisting of at least one detachable motorized fin and at least one external, contour conforming and waterproof power supply are disclosed. The dis...  
WO/2018/138941A1
A ship propulsion device and a ship include: a port propeller shaft (21) and a starboard propeller shaft (22); a port propeller (23) and a starboard propeller (24); a port shaft bracket (25) and a starboard shaft bracket (26); a port rud...  
WO/2018/139234A1
A duct device and a ship, wherein the duct device comprises: a duct body (31) which is disposed on at least a portion of the periphery of a rotary shaft (21) of a propeller (13) further towards the front than the propeller (13) which is ...  
WO/2018/139138A1
This duct device 1 is provided with an inner duct 2, an outer duct 3, and a stay, wherein the opening area Ao of an outflow port 8 between ducts defined by a rear end part 22 of the inner duct 2 and a rear end part 32 of the outer duct 3...  
WO/2018/140548A1
A hydrofoil shield for protecting a boat motor includes a shield body, two fins, a nose section, and a tail section, wherein the shield body has a central shield portion with fins extending therefrom and the nose section disposed forward...  
WO/2018/134469A1
The vessel comprises a hull (20) having a bottom line (BL) and a bow (30). A recess (100) is arranged in the bow above the bottom line of the hull of the vessel, the recess comprising a bottom surface (110) forming a portion of the hull ...  
WO/2018/127909A1
There is provided a universal safety guard for a propeller of a trolling motor having a propeller end and a rear end, having an adjustable motor holder including a pair of oppositely-facing omega-shaped sections, where each section is di...  
WO/2018/126817A1
An underwater propulsion device (10) and attachment device (100) thereof are provided. The attachment device (100) includes a main support frame (110) for holding a motorized device(200), and a connecting member (120) detachably connecte...  
WO/2018/123756A1
Provided are a fin device and a ship such that slow zones are concentrated on the propeller surface, thereby improving propulsion efficiency and allowing energy conservation. A ship 1 according to one embodiment of the present invention ...  
WO/2018/117355A1
The present invention relates to a method for reducing the overall pressure fluctuations by controlling the phase difference of pressure fluctuation time series of the two propellers of a twin-screw vessel, wherein with respect to contro...  
WO/2018/117356A1
The present invention, in order to resolve an issue of pressure fluctuations that arise due to both the left and right propellers of a twin-screw vessel, an issue that can be greater and more complex than for a conventional vessel, relat...  
WO/2018/108232A1
The present invention discusses a lifting spindle arrangement for a retractable thruster unit of a marine vessel, the lifting spindle (28) having a lower end and an upper end and being supported at its lower end to a lower support struct...  
WO/2018/105451A1
The present invention comprises: a duct (22) which is located in front of a propeller of a ship, and is fixed to a bossing (11) side so as to surround the rotational axis (L1) of the propeller; inside fins (24) which have outer ends fixe...  
WO/2018/104420A1
This invention relates to a device and method), of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (4) with a substantially vertical slewing axis (3A), a pulling propeller (7...  
WO/2018/106288A1
A strut mounted gear box for counter rotating propellers. The gear box is strut mounted for securement to the hull of a boat. A main input shaft is coupled to a propulsion component of a boat with a distal end secured to an idler gear ca...  
WO/2018/101395A1
A maneuvering system for a ship 1 provided with, in the stern, two propulsion systems 2, 3, i.e., a port-side propulsion system 2 comprising a port-side propeller 2a and a port-side rudder 2a, and a starboard-side propulsion system 3 com...  
WO/2018/095548A1
The invention relates to a nozzle (1) of a ship propeller (19) that can rotate about an axis of rotation (A), comprising a nozzle casing (10) extending along the axis of rotation (A) and surrounding the ship propeller (19), and having in...  
WO/2018/097731A1
Thruster propulsion for vessels. In the thruster, the propeller shaft is used as an insert shaft with a coupling to a hollow gear shaft. On the one hand, this hollow insert shaft embodiment results in an increase in the torsion flexibili...  
WO/2018/091754A1
The invention relates to a device in the form of a manoeuvring propeller actuated by a 12-volt or 24-volt electric motor, which is carried on the vessel as an accessory or temporary thruster and only used when needed, depending on determ...  
WO/2018/085933A1
A method of operating a thruster apparatus involves causing a first propeller to rotate in response to pressure of a first flow of pressurized hydraulic fluid, and causing a second propeller to rotate in response to pressure of a second ...  
WO/2018/083370A1
The propulsion unit comprises a support frame (20), a propeller (40) rotating around a shaft line (X-X), and a nozzle (60) surrounding the propeller and comprising an upstream end (61) and a downstream end (62). A support construction (5...  
WO/2018/067008A1
A tugboat (1) having azimuthal propelling units, comprising two juxtaposed azimuthal propelling units (10, 20), characterized in that each of the juxtaposed propelling units (10, 20) has a main shaft (14) with a main axis (11, 21) extend...  
WO/2018/059197A1
Disclosed are a marine propeller replacing method and a ship. The marine propeller replacing method comprises the following steps: hoisting a propeller (2) on a ship body (1) via a lifting rope; rotating a rudder blade (3) so that the pr...  
WO/2018/059844A1
The invention relates to an electric pod drive for a ship, comprising a pod housing (1), an electric motor which is arranged in the pod housing (1) and has a stator (2) and a rotor (3), a pod shaft (5), by means of which the pod housing ...  
WO/2018/051711A1
A water passage 6 passing from a bow 1 to a stern 2 is provided. Of the three types of resistance faced by a ship moving along the surface of the water, i.e., wave-making resistance, viscous pressure resistance, and viscous friction resi...  
WO/2018/045952A1
An energy-saving guide pipe device and a ship. The energy-saving guide pipe device is mounted on a ship body and is located on the side of a propeller close to a bow. The energy-saving guide pipe device comprises a first guide pipe (100)...  
WO/2018/037277A1
In order to simplify a transport process, the patent describes a transport vessel (1). The transport vessel (1) comprises: - a bottom (2), lateral sides (3, 4) as well as end sides (5, 7), which together define an essentially watertight ...  
WO/2018/030142A1
In a ship 1 having a stern duct 10, which is configured to have a duct member 11 and duct support members 12, 13 for supporting this duct member 11 on a ship body 2, disposed immediately in front of a propeller 3, the shape of a rear edg...  
WO/2018/025644A1
Provided is a ship 1 in which stern ducts 10A-10E, each having a duct member 11 and a duct support member 12 for supporting the duct member 11 on a ship hull 2, are disposed immediately before a propeller 3, wherein a rear edge of the du...  
WO/2018/026735A1
The present technology is directed generally to electric marine propulsion systems with drive trains, and associated systems and methods. In representative embodiments, the disclosed technology includes pre-assembled transmission cartrid...  
WO/2018/020749A1
This ship comprises a duct device (15) which is disposed at a portion of the ship body (11) further towards the bow side than a propeller (13) in the stern (17) and extends in the X direction of the propeller (13), and which discharges t...  
WO/2018/014952A1
The invention relates to a propeller (10) for a marine vessel, drive comprising the propeller and a marine vessel comprising the drive. The propeller (10) comprises a hub (11) comprising an aperture (12) for receiving a first propeller s...  
WO/2018/008589A1
A port-side propeller 2a and a starboard-side propeller 2b are both configured from a variable pitch propeller, and control for turning right while stopped is implemented in which the port-side propeller 2a generates forward propulsion T...  
WO/2018/001457A1
The arrangement comprises a rotatable propeller shaft (25) provided with a propeller (30), an stationary annular nozzle (40) surrounding an outer perimeter of the propeller (30), a stationary support shaft (50) extending downstream from ...  
WO/2018/002414A1
The arrangement comprises at least one steering electric motor (60) rotating the propulsion unit (20) via a force transmission arrangement (50). The force transmission arrangement (50) comprises a differential (100) comprising a first sh...  
WO/2017/220000A1
A water paddle module apparatus, comprising a floating plate (1) and a propulsion unit. The propulsion unit is detachably connected to the floating plate (1). The apparatus is provided with a modular propulsion unit. In this way, the pro...  
WO/2017/216189A1
This power system for mounting on a marine vehicle (2) includes a propulsion unit (14), means for securing the propulsion assembly to a hull element (4) of the vehicle (2) and a rudder bearing (58) mechanically connecting the propulsion ...  
WO/2017/213542A1
The invention relates to shipbuilding, in particular to marine power installations designed for surface and underwater vessels. The invention may be used as a power or a pump installation, in particular on stationary or floating regasifi...  
WO/2017/212274A1
There is disclosed a marine propulsion system for a shaft-driven boat. The system comprises a recess (14) formed in the hull of a said boat, and a drive cassette (22). The drive cassette comprises: a housing (23); a static tube (24) exte...  
WO/2017/200256A1
The present invention relates to an ultralight composite material propeller for an outboard motor, which is configured to comprise a hub and blade in a detachable manner so as to facilitate replacement when the propeller is damaged, and ...  
WO/2017/199669A1
Provided is an underwater moving vehicle with which maneuverability of the vehicle can be improved and the position of the vehicle can be stably maintained. [Solution] This underwater moving vehicle is provided with a vehicle main body (...  
WO/2017/192086A1
Driving device for a watercraft, which device comprises a water flow channel (10) which is connected to the watercraft, preferably to the bottom thereof, and which has an inlet (11) and an outlet (12), a drive shaft (13, 14) which extend...  
WO/2017/187597A1
An appendage 8 for reducing hub vortex is disposed, via a support body 7 extending from a hull 2, at the rear of a propeller (wing propeller) 4 which has no rudder disposed to the rearward thereof. The appendage 8 has a circular cross-se...  
WO/2017/182687A1
Large displacement hull ship comprising a hull (10) and thrusting and governing means (100), arranged on each side of the center line of the ship (400), comprising at least one propeller (152), providing a thrust parallel to the center l...  

Matches 1 - 50 out of 4,738